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/*
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.pgp;
import org.spongycastle.bcpg.BCPGInputStream;
import org.spongycastle.bcpg.BCPGOutputStream;
import org.spongycastle.bcpg.Packet;
import org.spongycastle.bcpg.UserAttributePacket;
import org.spongycastle.bcpg.UserAttributeSubpacket;
import org.spongycastle.bcpg.UserAttributeSubpacketTags;
import org.spongycastle.openpgp.PGPUserAttributeSubpacketVector;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectStreamException;
import java.io.Serializable;
public class WrappedUserAttribute implements Serializable {
public static final int UAT_UNKNOWN = 0;
public static final int UAT_IMAGE = UserAttributeSubpacketTags.IMAGE_ATTRIBUTE;
private PGPUserAttributeSubpacketVector mVector;
WrappedUserAttribute(PGPUserAttributeSubpacketVector vector) {
mVector = vector;
}
PGPUserAttributeSubpacketVector getVector() {
return mVector;
}
public int getType() {
if (mVector.getSubpacket(UserAttributeSubpacketTags.IMAGE_ATTRIBUTE) != null) {
return UAT_IMAGE;
}
return 0;
}
public static WrappedUserAttribute fromSubpacket (int type, byte[] data) {
UserAttributeSubpacket subpacket = new UserAttributeSubpacket(type, data);
PGPUserAttributeSubpacketVector vector = new PGPUserAttributeSubpacketVector(
new UserAttributeSubpacket[] { subpacket });
return new WrappedUserAttribute(vector);
}
/** Writes this object to an ObjectOutputStream. */
private void writeObject(java.io.ObjectOutputStream out) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BCPGOutputStream bcpg = new BCPGOutputStream(baos);
bcpg.writePacket(new UserAttributePacket(mVector.toSubpacketArray()));
out.writeObject(baos.toByteArray());
}
private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
byte[] data = (byte[]) in.readObject();
BCPGInputStream bcpg = new BCPGInputStream(new ByteArrayInputStream(data));
Packet p = bcpg.readPacket();
if ( ! UserAttributePacket.class.isInstance(p)) {
throw new IOException("Could not decode UserAttributePacket!");
}
mVector = new PGPUserAttributeSubpacketVector(((UserAttributePacket) p).getSubpackets());
}
private void readObjectNoData() throws ObjectStreamException {
}
}
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